DE69434539T2 - Laminate for floor - Google Patents

Laminate for floor

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Publication number
DE69434539T2
DE69434539T2 DE69434539T DE69434539T DE69434539T2 DE 69434539 T2 DE69434539 T2 DE 69434539T2 DE 69434539 T DE69434539 T DE 69434539T DE 69434539 T DE69434539 T DE 69434539T DE 69434539 T2 DE69434539 T2 DE 69434539T2
Authority
DE
Germany
Prior art keywords
strip
plate
locking
groove
edges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69434539T
Other languages
German (de)
Other versions
DE69434539D1 (en
Inventor
Tony Pervan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valinge Innovation AB
Original Assignee
Valinge Innovation AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
Priority to SE9301595A priority Critical patent/SE501014C2/en
Priority to SE9301595 priority
Application filed by Valinge Innovation AB filed Critical Valinge Innovation AB
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20389880&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69434539(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application granted granted Critical
Publication of DE69434539D1 publication Critical patent/DE69434539D1/en
Publication of DE69434539T2 publication Critical patent/DE69434539T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0801Separate fastening elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/04Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0107Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
    • E04F2201/0115Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges with snap action of the edge connectors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0153Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/04Other details of tongues or grooves
    • E04F2201/042Other details of tongues or grooves with grooves positioned on the rear-side of the panel
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/05Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0517U- or C-shaped brackets and clamps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/16Two dimensionally sectional layer
    • Y10T428/163Next to unitary web or sheet of equal or greater extent
    • Y10T428/164Continuous two dimensionally sectional layer
    • Y10T428/167Cellulosic sections [e.g., parquet floor, etc.]

Description

  • technical area
  • The This invention relates generally to floating laminate floorboards with a connection along adjacent connecting edges of two such Plates.
  • The is called, the connection is of the type in which the adjoining ones Connecting edges together form a first mechanical connection, the joint edges under each other in a first direction below locked at right angles to the main plane of the plates, and at the a locking device a second mechanical connection forms the plates parallel to each other in a second direction to the main plane and at right angles to the joint edges locked, wherein the locking device has a locking groove includes, which is parallel to and spaced from the connecting edge extending one of said plates, wherein the locking groove at the back this one plate is open.
  • The Invention is particularly well suited for use with thin laminate flooring. Therefore concentrated The following description of the prior art and the Tasks and features of the invention in this field of application. It However, it should be underlined that the invention also applies to the compound ordinary Wooden floors as well as others Types of building boards, such. As wall panels and roof panels, suitable is.
  • Background of the invention
  • A For example, compound of the above type is disclosed in SE-E-450,141 known. The first mechanical connection is made by that connecting edges have springs and grooves. The locking device for the second mechanical connection comprises two oblique locking grooves, one at the back each plate, as well as a plurality of spaced spring clips, the along the junction are distributed and their thighs in the grooves are pressed and they are so curious that they are the bottom plates firmly clamp together. Such a connection method is suitable especially for connecting thick floorboards for manufacturing of surfaces with considerable extent.
  • Thin floorboards with a thickness of approximately 7 - 10 mm, i. especially laminate flooring conquered a substantial market share within a short time. All thin Floor slabs are laid "floating", without that they are attached to the receiving structure. In general, the dimension is the floorboards 200 × 1200 mm, and their long and short sides are feathered and grooved. traditionally, becomes the floor assembled by placing adhesive in the groove and the Ground plates compressed become. The spring is thereby glued in the groove of the other plate. Generally, a laminate flooring is made up of an upper decorative one Use layer of laminate with a thickness of about 1 mm, a middle core made of chipboard or another plate as well a base layer that balances the construction. The core has substantially worse properties than the laminate in terms of hardness and water resistance However, he is still mainly required to have one Tongue and groove for to dispose of the assembly. This means, that the total thickness must be at least 7 mm. These known Laminate flooring, at which glued spring-groove connections used, but have some disadvantages.
  • First, the leads required total thickness of at least about 7 mm to a disadvantageous restriction when laying the floor, because thinner when using Floor slabs low thresholds pose a lesser problem and often the height of doors must be adjusted to have distance to the laid floor. Furthermore, the production costs are directly related with the material consumption.
  • Secondly the core must be made of moisture-absorbent material, to use water-based adhesives when laying the floor to enable. Therefore it is not possible the floors below Use so-called compact laminates thinner perform, since there is no suitable Bonding process for Such non-moisture absorbent core materials exist.
  • thirdly the laminate layer of the laminate flooring is highly resistant to wear and tear therefore, the wear of Tools a significant problem when editing the surface to Production of the spring.
  • Fourth the strength of the connection is based on a bonded tongue and groove joint through the properties of the core and the adhesive and the depth and the height the groove is limited. The laying quality hangs completely from sticking. If badly glued, the connection opens due to the tensile stress, for example, in a change the humidity occurs.
  • Fifth is laying a floor with Glued tongue and groove connections time-consuming, since adhesive both applied to the long and short sides of each plate must become.
  • Sixth it is impossible, a glued floor dismantle once installed, without the connections break. Base plates that have been removed can therefore not be reused. This is especially true in rental homes Disadvantage in which the apartment in question returns to its original state must be moved. Also can damaged or worn plates are not replaced without considerable effort This is especially true in public buildings and other areas would be beneficial, in which parts of the floor exposed to considerable wear are.
  • seventhly known laminate flooring is not suitable for the Use if significant risk of moisture ingress in the moisture-sensitive core.
  • Eighth make currently used, floating floors before laying the floor tiles on hard subfloors laying a separate Base made of floorboards, felt, foam or the like required to have footsteps to dampen and walking on the floor to make more pleasant. The attachment of the pad provides a complicated process because the pad laid edge to edge must become. Various documents influence the properties of the floor.
  • Therefore There is an urgent need for this, the disadvantages listed above of the prior art overcome. However, it is not possible only the known connection method with glued springs and grooves for very thin Floors, for example with floor thicknesses of about 3 mm, insert as a connection on a tongue and groove connection is not sufficiently strong and practical for such thin floors can not be produced. Also, there are no other connection methods, the for so thin Floors used can be. Another reason that producing thin floors, for example compact laminate is problematic, are the thickness tolerances the plates used in a plate with a thickness of about 3 mm 0.2-0.3 mm. A 3 mm thick compact laminate board with such a Thickness tolerance would, if they are at their back is ground to uniform thickness, an unbalanced structure have the risk of warping. Furthermore is the connection when the plates have different thicknesses exposed to high loads.
  • It is also not possible the ones listed above To solve problems, by double-sided adhesive tape or the like on the undersides the plates is used, since such a connection directly attacks and no subsequent Movement of the plates allows more, as with a conventional one Gluing the case is.
  • The use of U-shaped clamps of the type disclosed in the aforementioned SE 450,141 or similar methods to overcome the disadvantages discussed above also does not constitute a viable alternative. In particular, clamped clamps of this type can not be used to connect plates as thin as 3 mm become. Normally, it is not possible to disassemble the floorboards without access to their bottoms. This known method based on clamps has the following additional disadvantages:
    • - Subsequent movement of the plates in their longitudinal direction during installation is a complicated process, since the clamps firmly press the plates together.
    • - Laying floor with clamps is time consuming.
    • - This procedure can only be used if the floor panels are resting on underlying beams and the clamps are placed in between. For thin floors, which are to be laid on a continuous flat support structure, such terminals can not be used.
    • - The floor panels can only be joined together on their long sides. There is no clamp connection on the short sides.
  • Base plates with locking system on both the long and the short sides are in US 5179812A disclosed.
  • Technical Problems and tasks of the connection
  • A main object of the invention is to provide a laminate floorboard. A specific object of the invention is to provide a laminate floor panel with a panel connection system which:
    • - It makes it possible in a simple, cheap and rational way to make a connection between floor slabs without the need for the use of adhesive, in particular a connection consisting only of mechanical connections between the slabs;
    • - can be used to join floorboards that are smaller in thickness than currently used laminate floors, and that have better properties than currently used floors due to the use of another core material, even if they have a thickness of 3 mm;
    • - makes it possible to connect between thin floor panels, the possible Compensates for unevenness of the connection due to thickness tolerances of the plates;
    • - allows the connection of all edges of the plates together;
    • - reduces the wear of tools in the manufacture of floorboards with hard surface layers;
    • - Repeated disassembly and reassembly of an already laid floor allows without damaging the plates, while ensuring high quality laying;
    • - makes it possible to produce moisture-resistant floors;
    • - makes the exact separate laying a pad before laying the floor panels superfluous; and
    • - Shortens the time to connect the plates considerably.
  • These and other objects of the present invention are achieved by means of a Floating laminate floorboard satisfies the features listed in the appended claims Has.
  • Furthermore, a system for establishing a connection along adjacent joint edges of two structural panels, in particular floor panels, is described, wherein in the connection:
    the contiguous joint edges together form a first mechanical joint which interlocks the joint edges in a first direction at right angles to the main plane of the boards, and
    a locking device disposed on the rear side of the plates forms a second mechanical connection which locks the plates together in a second direction parallel to the principal plane and at right angles to the connection edges, the locking device comprising a locking groove extending parallel to the connecting edge of one of the plates and spaced therefrom, which is referred to as a grooved plate, and which is open at the back of the grooved plate, the system being characterized in that:
    the locking device further comprises a strip integrally formed with the other of the plates, referred to as a strip plate, the strip extending substantially the entire length of the connecting edge of the n-plate strip and being provided with a locking element projecting from the strip, so that when the plates are connected to each other, the strip protrudes at the back of the groove plate and its locking element is received in the locking groove of the groove plate,
    in that the plates, when connected to each other, can assume a relative position in the second direction, in which a play exists between the locking groove and a locking surface on the locking element, which faces the connecting edge and takes effect in the second mechanical connection,
    that the first and the second mechanical connection both allow displacement of the plates in the direction of the joint edges to each other, and
    the second mechanical connection is designed to allow the locking element to leave the locking groove when the groove plate is rotated obliquely away from the strip around its connecting edge.
  • Of the Term "backside", which is used above includes each side of the plate, located behind / under the front the plate is located. The opening plane The locking groove of the groove plate can be so from the back spaced from the plate, which rests on the support structure. Furthermore, it closes the strip, which in the invention substantially over the whole length the connecting edge of the strip plate extends, both the case one in which the strip is a continuous, uninterrupted Element is, as well as the case in which the "strip" in its longitudinal direction consists of several parts which together cover the main portion of the connecting edge.
  • It It should also be noted that firstly, the first and the second mechanical connection in themselves, the displacement of the plates allow each other in the direction of the joint edges, and secondly that it is the second mechanical connection per se, which allows the locking element to emerge from the locking groove, when the groove plate at its connecting edge angled from the strip is turned away. It can therefore be an agent, such as glue or mechanical devices that are such Displacement and / or inclination can counteract upwards or prevent them.
  • The described system allows it, concealed and accurate locking of both the short and to produce the long sides of the panels on hard, thin floors. The floor panels can be in disassembled in the reverse order for laying quickly and easily without damaging the panels, while ensuring high installation quality. The plates can mounted and dismounted much faster than currently used Systems, and damaged or worn plates can be replaced by removing and removing parts of the floor be relocated.
  • Among other things, a system is disclosed which allows accurate connection of thin floor panels, for example, a thickness in the size order of 3 mm, and at the same time allows a tolerance-independent smooth top at the connection. For this purpose, the strip is mounted in a compensation groove which is sunk in the back of the strip plates and has a precise predetermined distance from its bottom to the front of the strip plate. The portion of the strip projecting beyond the notch plate engages a corresponding balance groove sunk in the back of the notch plate and having the same exact predetermined distance from its bottom to the front of the notch plate. The thickness of the strip is then at least so large that the back of the strip is flush with the back of the plates and preferably protrudes slightly below it. In this embodiment, the plates are always in the connection, with their compensation grooves are on a strip. This compensates for the tolerance and gives the connection the required strength. The strip transmits horizontal and upward forces to the panels and downward forces on the existing underfloor.
  • Preferably The strip can be made of a material that is flexible, elastic and is solid and sawn can be. A preferred strip material is aluminum sheet. With an aluminum strip can provide sufficient strength at a Strip thickness of the order of magnitude of 0.5 mm can be achieved.
  • Around the removal of already laid, interconnected floor panels to easily enable is a preferred embodiment the invention characterized in that when the Nutenplatte is pressed against the strip plate in said second direction and angular from the strip is turned around, the maximum distance between the axis of rotation of the groove plate and the locking surface of the the connecting edge closest to the locking groove is such that the locking element can leave the locking groove, without the locking surface to touch the locking groove. This dismantling leaves then run if that's mentioned Play between the locking groove and the locking surface not is larger than 0.2 mm.
  • at This system can be the locking surface of the locking element a sufficient locking function even at very low altitudes locking surface guarantee. Effective locking of 3 mm thick base plates can with a locking surface which is 2 mm low. Even with a 0.5 mm high locking surface let yourself achieve adequate locking. The term "locking surface" as used herein refers to the part of the locking element, with the locking groove engages and forms the second mechanical connection.
  • For optimal Function should be the strip and the locking element on the Strip plate with high precision getting produced. In particular, the locking surface of Locking element should be at a precise distance from the connecting edge be arranged the strip plate.
  • Of Further, the extent of the Intervention in the floor slabs are reduced to a minimum, because it is the strength of the floor reduced.
  • With known manufacturing method, it is possible to use a strip with a Locking pin produce, for example, aluminum or plastic is extruded into a suitable profile, followed by glued to the bottom plate or inserted into special grooves. These and other conventional Ensure procedures but no optimal function and optimal economy. Around to make the connection system according to the connection, the strip is suitably made of aluminum sheet and is mechanically attached to the strip plate.
  • The Laying the panels can be done by first the strip plate is placed on the underfloor and then the Grooved plate with its long side to the long side of the strip plate in an angle between the main plane of the Nutenplatte and the under floor is moved. When the connecting edges engage with each other been brought to make the first mechanical connection, the groove plate is bevelled down to the locking element to be received in the locking groove.
  • Laying can also be accomplished by first placing both the strip plate and the grooved plate flat on the subfloor and then connecting the plates parallel to their major planes, bending the strip down until the locking element snaps into the locking groove. In particular, this method of laying enables the mechanical locking of both the short and long sides of the floor panels. For example, the long sides may be joined together using the first laying method in which the groove plate is bevelled downwardly, the short sides being subsequently joined together by sliding the groove plate in its longitudinal direction until its short side abuts the short side Side of an adjacent plate pressed in the same row and ver ver is locked.
  • at of their manufacture the floorboards with a base, for example floorboards, Foam or felt are provided. The underlay should be over the Strip preferably extend so that the connection between the documents relating to the connection between the floor slabs is offset.
  • The above and other features and advantages of the described Systems are attached from the claims and the following description of embodiments of the system.
  • The The invention will be explained in more detail below with reference to the attached Drawing figures described.
  • description the drawing figures
  • 1a and 1b show schematically in two stages how floorboards of different thickness are connected in a floating manner according to a first embodiment of the invention.
  • 2a C show in three stages a method for the mechanical connection of two floor panels according to a second embodiment of the invention.
  • 3a -C show in three stages the method for the mechanical connection of the floor slabs in 2a c.
  • 4a and 4b show a bottom plate according to 2a -C seen from below or from above.
  • 5 shows in perspective view a method for laying and connecting floorboards according to a third embodiment of the invention.
  • 6 shows in perspective view and from below a first modification of the attachment of a strip to a bottom plate.
  • 7 shows in section a second modification for attaching a strip to a bottom plate.
  • description preferred embodiments
  • 1a and 1b to which reference is now made, show a first floor panel 1 hereinafter referred to as a strip plate, and a second bottom plate 2 , which is referred to below as Nutenplatte. The terms "strip plate" and "grooved plate" are merely intended to simplify the description of the invention wherein the plates 1 . 2 normally identical in practice. The plates 1 and 2 may be made of compact laminate and have a thickness of about 3 mm with a thickness tolerance of about ± 0.2 mm. Given this thickness tolerance are the plates 1 . 2 with different thicknesses ( 1b ), wherein the strip plate 1 has a maximum thickness (3.2 mm) and the groove plate 2 has a minimum thickness (2.8 mm).
  • To mechanical connection of the plates 1 . 2 to allow at opposite joint edges, which generally with 3 respectively. 4 are marked, the plates are provided with grooves and strips, as described below.
  • The following is mainly on 1a and 1b Referred and beyond 4a and 4b , which show the basic structure of the floor panels from below or from above.
  • From the connecting edge 3 the strip plate 1 , ie the one long side, horizontally stands a flat strip 6 before, in the manufacture at the bottom of the strip plate 1 is attached and over the entire connecting edge 3 runs. The stripe 6 , which consists of flexible, elastic aluminum sheet, can be mechanically fixed with adhesive or in any other suitable manner. In 1a and 1b is the strip 6 glued on while in 4a and 4b is attached by means of a mechanical connection, which will be described in more detail below.
  • Other strip materials may be used, such as sheets of other metals, as well as aluminum or plastic profiles. Alternatively, the strip 6 integral with the strip plate 1 be educated. In any case, the strip should 6 a unit with the strip plate 1 form, ie, he should not when laying on the strip plate 1 be attached. As a non-limiting example, the strip may 6 have a width of 30 mm and a thickness of about 0.5 mm.
  • How out 4a and 4b is a similar, but shorter strip 6 ' further on a short page 3 ' the strip plate 1 available. The shorter strip 6 ' however, does not extend over the entire short side 3 ' , but otherwise is identical to the strip 6 and therefore will not be described further.
  • The edge of the strip 6 coming from the connecting edge 3 stands away, is with a locking element 8th provided over the entire strip 6 extends. The locking element 8th has a locking surface 10 on that the connecting edge 3 facing and has a height of, for example, 0.5 mm. The locking element 8th is constructed so that when the floor is laid and the strip panel 2 in 1a with its connecting edge 4 to the connecting edge 3 the strip plate 1 is pressed and to the subsoil 12 , as in 1b is shown, chamfered down, in a locking groove 14 that enters the bottom 16 the groove plate 2 is formed and parallel to the connecting edge 4 extends and is spaced from her. In 1b form the locking element 8th and the locking groove 14 together a mechanical connection with which the plates 1 and 2 be locked in the direction indicated by D2. That is, the locking surface 10 of the locking element 8th serves as a stop for the surface of the locking groove 14 closest to the connecting edge 4 located.
  • If the plates 1 and 2 However, they can assume a position in the direction D2 to each other, in which a slight play Δ between the locking surface 10 and the locking groove 14 consists. This mechanical connection in direction D2 allows displacement of the plates 1 and 2 in the direction of the connection to each other, whereby the laying is greatly facilitated and the short sides can be connected by snapping.
  • How out 4a and 4b As can be seen, each plate in the system has a strip 6 on a long side 3 and a locking groove 14 on the other long side 4 as well as a strip 6 ' on a short side 3 ' and a locking groove 14 ' on the other short side 4 ' on.
  • Furthermore, the connecting edge 3 the strip plate 1 at its bottom 18 a recess 20 on, over the entire connecting edge 3 runs and together with the top 22 of the strip 6 a laterally open recess 24 forms. The connecting edge 4 the groove plate 2 indicates at its top 26 a corresponding recess 28 on which is a locking spring 30 that forms in the recess 24 is received, so that a mechanical connection is formed, through which the connecting edges 3 . 4 be locked in the direction denoted D1. This connection can be made with other constructions of joint edges 3 . 4 be achieved, for example, with a slope which causes the connecting edge 4 the groove plate 2 diagonally below the connecting edge 3 the strip plate 1 occurs and between this edge and the strip 6 is locked.
  • The plates 1 . 2 can be removed in the reverse order for installation without damaging the connection and relocated.
  • The stripe 6 is in a tolerance compensation groove 40 on the bottom 18 the strip plate 1 to the connecting edge 3 attached adjacent. In this embodiment, the width of the compensation groove 40 about half the width of the strip 6 ie about 15 mm. Through the compensation groove 40 will ensure that between the top 21 the plate 1 and the bottom of the groove 40 there is always a more precisely specified distance E, which is slightly less than the minimum thickness (2.8 mm) of the bottom plates 1 . 2 , The groove plate 2 has a corresponding tolerance compensating surface or groove 42 on the bottom 16 the connecting edge 4 on. The distance between the compensation surface 42 and the top 26 the groove plate 2 corresponds to the mentioned exact distance E. Furthermore, the thickness of the strip 6 so selected that the bottom 44 the strip is slightly below the bottom 18 and 16 the floor plates 1 respectively. 2 located. In this way, the entire connection lies on the strip 6 on, and all vertical, downward forces are effectively on the subsoil 12 transferred without causing stress on the joint edges 3 . 4 Act. Due to the presence of the compensation grooves 40 . 42 arises despite the thickness tolerances of the plates 1 . 2 a completely uniform connection at the top, without the need for sanding or other machining operations over the entire panel. As a result, in particular the risk of Beschädi tion of the bottom layer of the compact laminate is avoided, which can lead to distortion of the plates.
  • The following is on the execution in 2a C, which essentially follow the same laying method as in FIG 1a and 1b represents. The execution in 2a -C is different from the execution 1a and 1b mainly by the fact that the strip 6 on the strip plate 1 with a mechanical connection instead of adhesive. For making this mechanical connection is as detailed in 6 represented, a groove 50 the bottom 18 the strip plate 1 from the recess 24 spaced available. The groove 50 may be formed either as a continuous groove extending over the entire length of the plate 1 extends, or as a series of separate grooves. The groove 50 forms together with the recess 24 a dovetail gripping edge 52 whose bottom has an exact compensation distance E to the top 21 the strip plate 1 forms. The aluminum strip 6 has a series of punched and bent tongues 54 and one or more lips 56 on, around the opposite sides of the gripping edge 52 in Clamping engagement are bent. This connection is in the perspective view in 6 detailed from below.
  • Alternatively, a mechanical connection between the strip 6 and the strip plate 1 be prepared as they are in 7 is shown, which in section a broken away part of the strip plate 1 turned around shows. In 7 The mechanical connection includes a dovetail recess 58 on the bottom 18 the strip plate 1 as well as tongues / lips 60 that punched out and from the strip 6 are bent away and on the opposite inner sides of the recess 58 terminals.
  • The execution in 2a C is further characterized in that the locking element 8th of the strip 6 is designed as a component that is bent out of the aluminum sheet and a functional locking surface 10 which is at right angles from the front 22 of the strip 6 extending over a height of, for example, 0.5 mm, and a rounded guide surface 34 that introduce the locking element 8th in the locking groove 14 when chamfering the Nutenplatte 2 down to the subsoil 12 ( 2 B ) and a section 36 who is on the subsoil 12 is inclined to and in which 2a C installation method shown fulfilled no function.
  • Furthermore, it is off 2a -C to see that the connecting edge of the strip plate 1 a lower chamfer 70 having, when laying with a corresponding upper bevel 72 the connecting edge 4 the groove plate 2 so interacts that the plates 1 and 2 be forced to move vertically toward each other when their joint edges 3 . 4 are moved towards each other and the plates are pressed together horizontally.
  • Preferably, the locking surface is 10 with respect to the connecting edge 3 arranged so that when the groove plate 2 , from the connected position in 2c proceeding, horizontally in the direction D2 to the strip plate 1 is pressed and from the strip 6 is rotated obliquely upwards, the maximum distance between the axis of rotation A of the groove plate 2 and the locking surface 10 the locking groove is such that the locking element 8th from the locking groove 14 can escape without coming into contact with it.
  • 3a and 3b show another connection method for mechanically connecting the floor panels in 2a -C with each other. This in 3a C is based on the fact that the strip 6 is elastic and is particularly suitable for connecting the short sides of the floor panels together, which have already been connected together on a long side, as in 2a C is shown. The procedure in 3a -C is executed by first placing the two plates 1 and 2 flat on the subfloor 12 be laid and then as in 3b shown to be moved horizontally towards each other. The sloping section 36 of the locking element 8th then serves as a guide surface that the connecting edge 4 the groove plate 2 up to the top 22 of the strip 6 leads. The stripe 6 is then pressed down, with the locking element 8th on the compensation surface 42 slides. If the connection edges 3 . 4 horizontally completely engaged with each other, snaps the locking element 8th in the locking groove 14 one ( 3c ), so that the same lock as in 2c will be produced. The same locking method can also be practiced by the connecting edge in the starting position 4 the groove plate with the compensation groove 42 on the locking element 10 is attached ( 3a ). The sloping section 36 of the locking element 10 then fulfills no function. This method therefore makes it possible to mechanically lock the floorboards in all directions, and by repeating the laying operations, the entire floor can be laid without the use of adhesive.
  • The invention is not limited to the preferred embodiments described above and illustrated in the drawings, but various variants and modifications thereof within the scope of the appended claims are conceivable. The stripe 6 can be divided into small sections that cover the main part of the connection length. Furthermore, the thickness of the strip 6 vary over its entire width. All strips, locking grooves, locking elements and recesses are dimensioned so that the floor panels can be laid with flat tops so that they are in the connection on the strip 6 rest. If the floorboards are made of compact laminate and silicone or some other sealant, rubber strip or other sealing device, before laying between the flat protruding part of the strip 6 and the groove plate 2 and / or in the recess 26 is filled, creates a moisture-resistant floor.
  • A pad 46 For example, from floorboards, foam or felt, as can 6 can be seen attached to the underside of the plates during manufacture. In one embodiment, the pad extends 46 to the locking element 8th over the strip 6 , So that the Connection between the documents 46 with respect to the connection between the joint edges 3 and 4 is offset.
  • When running in 5 are the stripes 6 and its locking element 8th integral with the strip plate 1 formed, wherein the projecting part of the strip 6 such an extension of the lower part of the connecting edge 3 forms. The locking function is the same as in the embodiments described above. On the bottom 18 the strip plate 1 is a separate strip, a strip or the like 74 present, which runs over the entire length of the connection and in this embodiment has a width which covers approximately the same area as the separate strip 6 the previous versions. The stripe 74 can be right at the back 18 be present or in a recess formed therein (not shown), so that the distance from the front 21 . 26 of the floor to the back 76 including the thickness of the strip 74 always at least equal to the corresponding distance in the plate with the greatest thickness tolerance. The plates 1 . 2 then lie in the connection on the strip 74 or just on the bottoms 18 . 16 plates when these sides are flat.
  • When using a material, bending the strip 6 or the locking element 8th Downwards, the laying on the in the 5 manner shown executed. A floor plate 2a is bevelled upwards, with its long side 4a with the long side 3 an already laid floor plate 1 is engaged and at the same time a third floor plate 2 B with her short side 4b ' engaged with the short side 3a ' the upwardly sloping bottom plate 2a is brought and by chamfering the plate 2 B is fastened down. The plate 2 B will be on the short side 3a ' the upwardly angled bottom plate 2a pushed along until their long side 4b on the long side 3 the already laid plate 1 incident. The two upturned plates 2a and 2 B become so on the subsoil 12 beveled down to make the lock.
  • With a reverse process remove the plates in the reverse order for laying can be without the connection being damaged, and again be moved.
  • It Different variants of preferred laying methods are conceivable. For example, the strip plate may be under the groove plate be introduced allowing plates in all four directions with respect to the starting position can be moved.

Claims (7)

  1. A rectangular floating laminate floorboard having first and second parallel long edges and first and second parallel short edges, wherein adjacent joint edges of two identical floorboards together lock together the connection edges in a vertical direction and the floorboard comprises: a top deck wear layer; a core layer disposed below the top deck wear layer, the core layer being of a material that is not as hard as the top deck wear layer; a base layer under the core layer; a first mechanical locking system comprising a locking strip ( 6 ) extending substantially the entire length of one of the long edges of the plate ( 1 ) and with a locking element ( 8th ) provided by the strip ( 6 ) protrudes, and a locking groove ( 14 ) which is formed in the material of the core and which extends parallel to another of the long edges of the plate and spaced therefrom and at a rear side of the plate (FIG. 1 ) is open, wherein the bottom plate ( 1 ) and an identical bottom plate ( 2 ), when joined together, have a relative position in a horizontal direction (D2) parallel to the main plane of the floor slabs (D2). 1 . 2 ) and at right angles to the long edges, in which a slight play (Δ) between the locking groove ( 14 ) and a locking surface on the locking element ( 8th ), which faces the joint edges, the displacement of the bottom plate ( 1 ) and the identical bottom plate ( 2 ) allows each other along the long edges; a second mechanical locking system comprising a locking strip ( 6 ' ) extending substantially the entire length of one of the short edges of the plate ( 1 ) and with a locking element ( 8th' ) provided by the strip ( 6 ' ) protrudes, and a locking groove ( 14 ' ) formed in the material of the core and extending parallel to another of the short edges of the plate and spaced therefrom and to a rear side of the plate (Figs. 1 ) is open; wherein the first and second mechanical locking systems are configured to releasably lock the panel to adjacent identical panels both in a vertical direction (D1) and in the horizontal direction (D2); and the first mechanical locking system is designed to engage the locking element ( 8th ), the locking groove ( 14 ) when leaving the plate with the locking groove ( 14 ) is connected around its edge at an angle to the strip ( 6 ) is turned away.
  2. Floating laminate floorboard according to claim 1, the core layer being chipboard or other plate material consists.
  3. Floating laminate floorboard according to claim 1, wherein the upper deck wear layer is about 1 mm is thick.
  4. Floating laminate floorboard according to claim 1, the plate being 10 mm or less thick.
  5. Floating laminate floorboard according to claim 1, wherein the locking strip is about 0.5 mm thick.
  6. Floating laminate floorboard according to claim 1, wherein the locking strip is a locking element on a contains front end.
  7. Floating laminate floorboard according to claim 6, wherein the locking element with a locking surface a height of about 0.5 to 2 mm.
DE69434539T 1993-05-10 1994-04-29 Laminate for floor Expired - Lifetime DE69434539T2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9301595A SE501014C2 (en) 1993-05-10 1993-05-10 Fog for thin liquid hard floor
SE9301595 1993-05-10

Publications (2)

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DE69434539D1 DE69434539D1 (en) 2005-12-15
DE69434539T2 true DE69434539T2 (en) 2006-05-24

Family

ID=20389880

Family Applications (11)

Application Number Title Priority Date Filing Date
DE69432807T Expired - Lifetime DE69432807T2 (en) 1993-05-10 1994-04-29 Building board with locking tape mechanically connected to the back of the board
DE69421945T Expired - Lifetime DE69421945T3 (en) 1993-05-10 1994-04-29 Method for laying and mechanically connecting building panels
DE69433415T Revoked DE69433415T2 (en) 1993-05-10 1994-04-29 Method of laying and mechanically connecting floor panels and a method of making a floor
DE69434539T Expired - Lifetime DE69434539T2 (en) 1993-05-10 1994-04-29 Laminate for floor
DE69435263T Expired - Lifetime DE69435263D1 (en) 1993-05-10 1994-04-29 Floor system comprising a plurality of floor panels with a system for locking the short panel edges
DE05025406T Pending DE05025406T1 (en) 1993-05-10 1994-04-29 Locking system on the wide side
DE69413391T Expired - Lifetime DE69413391T3 (en) 1993-05-10 1994-04-29 Connection system for floor plates
DE69434559T Expired - Lifetime DE69434559T2 (en) 1993-05-10 1994-04-29 Laminate floor with underlay
DE69434094T Expired - Lifetime DE69434094T2 (en) 1993-05-10 1994-04-29 Wooden or laminate floor system with a variety of floor panels
DE69434534T Revoked DE69434534T2 (en) 1993-05-10 1994-04-29 Floor seal for laminate flooring
DE69422838T Expired - Lifetime DE69422838T2 (en) 1993-05-10 1994-04-29 A floor composed of a large number of mechanically connected panels

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DE69432807T Expired - Lifetime DE69432807T2 (en) 1993-05-10 1994-04-29 Building board with locking tape mechanically connected to the back of the board
DE69421945T Expired - Lifetime DE69421945T3 (en) 1993-05-10 1994-04-29 Method for laying and mechanically connecting building panels
DE69433415T Revoked DE69433415T2 (en) 1993-05-10 1994-04-29 Method of laying and mechanically connecting floor panels and a method of making a floor

Family Applications After (7)

Application Number Title Priority Date Filing Date
DE69435263T Expired - Lifetime DE69435263D1 (en) 1993-05-10 1994-04-29 Floor system comprising a plurality of floor panels with a system for locking the short panel edges
DE05025406T Pending DE05025406T1 (en) 1993-05-10 1994-04-29 Locking system on the wide side
DE69413391T Expired - Lifetime DE69413391T3 (en) 1993-05-10 1994-04-29 Connection system for floor plates
DE69434559T Expired - Lifetime DE69434559T2 (en) 1993-05-10 1994-04-29 Laminate floor with underlay
DE69434094T Expired - Lifetime DE69434094T2 (en) 1993-05-10 1994-04-29 Wooden or laminate floor system with a variety of floor panels
DE69434534T Revoked DE69434534T2 (en) 1993-05-10 1994-04-29 Floor seal for laminate flooring
DE69422838T Expired - Lifetime DE69422838T2 (en) 1993-05-10 1994-04-29 A floor composed of a large number of mechanically connected panels

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US (8) USRE39439E1 (en)
EP (11) EP1626136B2 (en)
JP (2) JP3444889B2 (en)
KR (2) KR100413372B1 (en)
CN (6) CN100334309C (en)
AT (10) AT310868T (en)
AU (1) AU671919B2 (en)
BG (1) BG61457B1 (en)
BR (1) BR9406718A (en)
CA (5) CA2150384C (en)
CZ (1) CZ291953B6 (en)
DE (11) DE69432807T2 (en)
DK (9) DK1626136T3 (en)
ES (10) ES2140983T5 (en)
FI (4) FI113486B (en)
GR (2) GR3032335T3 (en)
HU (1) HU214470B (en)
LV (1) LV11491B (en)
NO (4) NO305614B1 (en)
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PL (1) PL311568A1 (en)
PT (5) PT1061201E (en)
RO (1) RO115185B1 (en)
RU (2) RU2123094C1 (en)
SE (1) SE501014C2 (en)
SG (1) SG47518A1 (en)
SK (1) SK285379B6 (en)
WO (1) WO1994026999A1 (en)

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